This topic contains a solution. Click here to go to the answer

Author Question: Which of the following statements about individuals with the HbS allele in the homozygous form is ... (Read 65 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
Which of the following statements about individuals with the HbS allele in the homozygous form is true?
 
  A. They lack the capacity to digest lactose.
  B. They usually develop fatal cases of sickle-cell anemia.
  C. They rarely develop any form of sickle-cell anemia before reaching reproductive age.
  D. They are usually found in temperate regions of the world.
  E. They always develop fatal cases of sickle-cell anemia late in life.

Question 2

What does gene flow act against?
 
  A. migration
  B. speciation
  C. natural selection
  D. mutations
  E. balanced polymorphisms



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B





 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library